.circle{
	stroke:"black";
	stroke-width:"2"; 
	fill:"red";
}
.black{
	background-color: black;
	color:white;
}
.black:hover{
	cursor: pointer;
	border: 2px solid black;
}
.red{
	background-color: mediumvioletred;
	color:white;
}
.red:hover{
	cursor: pointer;
	border: 2px solid mediumvioletred;
}